Pebble Time Round vs. Polar M400 vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Xiaomi Mi Band vs. Michael Kors Grayson

 
Time Round
M400
ZenWatch 3
Grayson
Mi Band
Grayson
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi BandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$200$229$350$15$350
Release201520142017201820152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 hours to 30 days48 hours24 hours30 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/aNA
Windowsn/aNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a400 x 400453 x 454NA453x454
Sizeroundn/a1.39 inches1.39 inchesNA1.39 inches
TouchNA
Typee-papern/aAMOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2Android WearNAAndroid Wear
Apps
Music

All Wearables